An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Johnson A, Giuffre RM, O'Malley K.Johnson A, et al.Can J Psychiatry. 1996 Mar;41(2):102-6. doi: 10.1177/070674379604100207.Can J Psychiatry. 1996.PMID: 8705955